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dc.creatorVázquez Marrufo, Manueles
dc.creatorGalvao Carmona, Alejandroes
dc.creatorBenítez Lugo, María Luisaes
dc.creatorRuiz Peña, Juan L.es
dc.creatorBorges Guerra, Mónicaes
dc.creatorIzquierdo Ayuso, Guillermoes
dc.date.accessioned2017-11-30T19:16:05Z
dc.date.available2017-11-30T19:16:05Z
dc.date.issued2017-10-31
dc.identifier.citationVázquez Marrufo, M., Galvao Carmona, A., Benítez Lugo, M.L., Ruiz Peña, J.L., Borges Guerra, M. y Izquierdo Ayuso, G. (2017). Retest reliability of individual alpha ERD topography assessed by human electroencephalography. Plos One, 12 (10)
dc.identifier.issn1932-6203es
dc.identifier.urihttp://hdl.handle.net/11441/67086
dc.description.abstractBackground Despite the immense literature related to diverse human electroencephalographic (EEG) parameters, very few studies have focused on the reliability of these measures. Some of the most studied components (i.e., P3 or MMN) have received more attention regarding the stability of their main parameters, such as latency, amplitude or topography. However, spectral modulations have not been as extensively evaluated considering that different analysis methods are available. The main aim of the present study is to assess the reliability of the latency, amplitude and topography of event-related desynchronization (ERD) for the alpha band (10–14 Hz) observed in a cognitive task (visual oddball). Topography reliability was analysed at different levels (for the group, within-subjects individually and between-subjects individually). Results The latency for alpha ERD showed stable behaviour between two sessions, and the amplitude exhibited an increment (more negative) in the second session. Alpha ERD topography exhibited a high correlation score between sessions at the group level (r = 0.903, p<0.001). The mean value for within-subject correlations was 0.750 (with a range from 0.391 to 0.954). Regarding between-subject topography comparisons, some subjects showed a highly specific topography, whereas other subjects showed topographies that were more similar to those of other subjects. Conclusion ERD was mainly stable between the two sessions with the exception of amplitude, which exhibited an increment in the second session. Topography exhibits excellent reliability at the group level; however, it exhibits highly heterogeneous behaviour at the individual level. Considering that the P3 was previously evaluated for this group of subjects, a direct comparison of the correlation scores was possible, and it showed that the ERD component is less reliable in individual topography than in the ERP component (P3).es
dc.description.sponsorshipMinisterio de Economía y Competitividad (España) PSI2016-78133-Pes
dc.description.sponsorshipAsociación Sanitaria Virgen Macarenaes
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherPublic Library of Sciencees
dc.relation.ispartofPlos One, 12 (10)
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectEvent-related desynchronizationes
dc.subjectERDes
dc.subjectElectroencephalographic activityes
dc.subjectEEGes
dc.titleRetest reliability of individual alpha ERD topography assessed by human electroencephalographyes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Psicología Experimentales
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Fisioterapiaes
dc.relation.projectIDPSI2016-78133-Pes
dc.relation.publisherversionhttps://doi.org/10.1371/journal.pone.0187244es
dc.identifier.doi10.1371/journal.pone.0187244es
idus.format.extent15 p.es
dc.journaltitlePlos Onees
dc.publication.volumen12es
dc.publication.issue10es
dc.contributor.funderMinisterio de Economía y Competitividad (MINECO). España
dc.contributor.funderAsociación Sanitaria Virgen Macarena

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